Compile, link and execute them.
Use a text-editor program.
Nothing.
Because I can and because I like C.
A C Compiler is a program for computers that can be use for programming and deciphering languages. The C Compiler program has been around for several years and is easy to use.
Use the keyboard.
With program DosBox,
You use java to program. I don't program. like c++
C is a language. So therefore the question is grammatical nonsense.
Use a text-editor.
The use of the reverse string in C program is used to reverse the letters in the string. An example would be reverse me would be reversed to em esrever.
Use a program called visual studio express. Its made by Microsoft and you can program in all kinds of languages. C , C+ etc
You can use ImageMagick library and use 'convolve' function.